Gamaleya Center study claims Sputnik V effective against Omicron

Further, Sputnik Light as a booster significantly increases virus neutralising activity against Omicron based on sera 2-3 months after revaccination, it said.

The study showed that the virus neutralising activity against Omicron 2-3 months after a Sputnik Light booster is higher than against the wild-type virus 6 months after Sputnik V vaccination.

Based on the data the expected efficacy of Sputnik V with Sputnik Light booster against Omicron infection could be more than 80 per cent, the statement said.

"Sputnik Light as a booster significantly increases virus neutralising activity against Omicron based on sera 2-3 months after revaccination and is a universal booster to other vaccines inducing stronger antibody and T-cell response," the statement said.

A study published by a research group from scientific institutes including Institute for Medical Virology (Frankfurt) showed that 100 per cent of individuals revaccinated with Sputnik Light as a booster developed neutralising antibodies against Omicron.

Sputnik V and Sputnik Light have not been associated with rare serious side effects such as myocarditis or pericarditis, the Centre said.

Sputnik Light has already been registered in more than 20 countries as a standalone vaccine and a universal booster while Sputnik V has been authorised in 71 countries.

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